Inventor · disambiguated record
Kazushi Tsuwako
Also filed as: TSUWAKO KAZUSHI
10 granted patents·164 citations·filing 1996–2019
90Inventor score
Top patents by PatentIndex Score
10 records- 0189US8885287B1Method and apparatus for prevention of Fe contamination with oxygen mixture in a hard disk driveHGST Netherlands BV·Filed 2014·Granted Nov 11, 2014·26 cites·21 claims
- 0288US6822823B1Hard disk drive with electrically conductive sheet for electrostatic discharge protectionIBM·Filed 2000·Granted Nov 23, 2004·26 cites·12 claims
- 0386US10916269B2Magnet for motor of magnetic storage deviceWESTERN DIGITAL TECH INC·Filed 2019·Granted Feb 9, 2021·2 cites·20 claims
- 0481US5754355ADisk drive apparatus and read error recovery method in a disk drive apparatusIBM·Filed 1996·Granted May 19, 1998·39 cites·15 claims
- 0576US8125727B2Disk drive and method for adjusting common-mode voltage of an element on a head-sliderTSUWAKO KAZUSHI·Filed 2009·Granted Feb 28, 2012·6 cites·18 claims
- 0676US6259573B1Preamplifier circuit with magnetoresistive sensor ESD protectionIBM·Filed 1999·Granted Jul 10, 2001·29 cites·14 claims
- 0774US9202483B1Iron-oxidized hard disk drive enclosure coverHGST Netherlands BV·Filed 2015·Granted Dec 1, 2015·3 cites·12 claims
- 0871US5696643ADisk drive apparatus and read error recovery method in a disk drive apparatusIBM·Filed 1996·Granted Dec 9, 1997·24 cites·16 claims
- 0957US6618236B1Magnetic head handling gloveIBM·Filed 2000·Granted Sep 9, 2003·9 cites·20 claims
- 1047US9293161B1Iron-oxidized hard disk drive enclosure coverHGST Netherlands BV·Filed 2015·Granted Mar 22, 2016·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →